26.6 PCN Compliance Requirements
Legal Foundation
PCN compliance is not optional—it's a legal requirement under Luxembourg's Commercial Code (Code de Commerce). All businesses operating in Luxembourg must maintain their accounting records according to PCN standards.
Mandatory Requirements
1. Use of PCN Account Structure
Requirement: All businesses must organize their accounts according to the seven PCN classes (1-7).
Compliance:
- Use standard PCN account numbers for main accounts
- Maintain all seven classes in your chart of accounts
- Ensure account classifications match PCN definitions
Non-Compliance Consequences:
- RCS filing rejection
- Tax authority penalties
- Audit complications
- Difficulty obtaining financing
2. Financial Statement Preparation
Requirement: Financial statements must be prepared using PCN account classifications.
Compliance:
- Balance sheet accounts from Classes 1-5
- Income statement accounts from Classes 6-7
- Proper classification of all accounts
- Consistent application across reporting periods
3. RCS Filing Compliance
Requirement: Annual accounts filed with RCS must use PCN structure.
Compliance:
- Balance sheet formatted according to PCN
- Income statement using PCN account classifications
- Notes to financial statements explaining account usage
- Electronic filing through eCDF platform
Deadline: 7 months after fiscal year end
4. Tax Authority Compliance
Requirement: Tax returns and supporting documentation must reference PCN accounts.
Compliance:
- Corporate tax returns reference PCN accounts
- VAT returns integrate with PCN structure
- Supporting schedules use PCN account numbers
- Documentation available for tax audits
5. Audit Readiness
Requirement: Accounting records must be audit-ready and PCN-compliant.
Compliance:
- Complete chart of accounts documentation
- All transactions properly classified
- Supporting documentation available
- Account reconciliations performed regularly
Compliance Checklist
Use this checklist to ensure PCN compliance:
- Chart of accounts uses PCN 2020 structure
- All seven classes (1-7) are included
- Main account numbers follow PCN standards
- Sub-accounts are properly documented
- Financial statements use PCN classifications
- RCS filing is PCN-compliant
- Tax returns reference PCN accounts
- Accounting software is PCN-configured
- Staff are trained on PCN usage
- Documentation is maintained and updated
Software Compliance
Accounting Software Requirements
PCN-Compliant Software:
- Must support PCN 2020 account structure
- Should include pre-configured PCN chart of accounts
- Must generate PCN-compliant financial statements
- Should support eCDF and FAIA integration
Popular PCN-Compliant Software:
- Sage BOB (Luxembourg-specific)
- Odoo (with Luxembourg localization)
- Other software with PCN modules
Software Configuration
Required Settings:
- PCN 2020 chart of accounts installed
- Account numbering follows PCN structure
- Financial statement templates use PCN format
- VAT accounts properly configured (Class 4)
- Integration with eCDF platform
Documentation Requirements
Chart of Accounts Document
Required Content:
- Complete list of accounts used
- Account descriptions and purposes
- Custom account explanations
- Sub-account structure
- Account mapping for common transactions
Accounting Manual
Required Content:
- PCN compliance procedures
- Transaction classification guidelines
- Account usage instructions
- Reporting procedures
- Software configuration details
Regular Compliance Reviews
Monthly Reviews
- Verify all transactions use PCN accounts
- Check account classifications are correct
- Review sub-account usage
- Ensure VAT accounts are properly used
Quarterly Reviews
- Review financial statement preparation
- Verify account reconciliations
- Check compliance with reporting requirements
- Update documentation as needed
Annual Reviews
- Comprehensive chart of accounts review
- Verify RCS filing compliance
- Review tax return preparation
- Update accounting manual
- Train staff on any changes
Common Compliance Issues
Issue 1: Missing Account Classes
Problem: Not using all seven PCN classes
Solution: Ensure all classes are in your chart of accounts, even if some accounts remain at zero
Issue 2: Incorrect Account Classifications
Problem: Using wrong PCN accounts for transactions
Solution: Review transaction mapping, train staff, update procedures
Issue 3: Non-PCN Account Numbers
Problem: Creating accounts outside PCN structure
Solution: Remove non-PCN accounts, reclassify transactions to PCN accounts
Issue 4: Inconsistent Application
Problem: Using different account structures across periods
Solution: Standardize account usage, document procedures, train staff
Luxembourg Compliance Note
PCN compliance is monitored by:
- RCS: Reviews annual account filings
- Tax Authorities (ACD): Reviews tax returns and supporting documentation
- Auditors: Verifies compliance during statutory audits
- Banks: May require PCN-compliant financial statements for financing
Non-compliance can result in:
- Fines and penalties
- Filing rejections
- Audit complications
- Difficulty obtaining financing
- Legal consequences
Think It Through
Sophie's bakery has been operating for two years. During an audit, the auditor discovers that some transactions were recorded using non-PCN account numbers. What steps should Sophie take to correct this issue and ensure future compliance?
Concepts in Practice
Compliance Audit Example
During an annual audit, Le Petit Bistro was found to have:
-
Issue: Some expense accounts didn't follow PCN structure
-
Impact: Financial statements couldn't be properly reconciled
-
Solution:
- Reclassified all transactions to PCN accounts
- Updated chart of accounts
- Trained staff on proper account usage
- Implemented monthly compliance reviews
-
Result: Full compliance achieved, audit completed successfully
Regular compliance reviews prevent such issues and ensure smooth operations.